Home
×

Bastnasite
Bastnasite

Ceylonite
Ceylonite



ADD
Compare
X
Bastnasite
X
Ceylonite

Bastnasite and Ceylonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy, Pearly
Vitreous
1.2 Pleochroism
Faint
Absent
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent
1.5 Refractive Index
1.717-1.722
1.770-1.780
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Isometric
1.8 Birefringence
0.100
Not Available
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Bastnasite and Ceylonite Optic Character

Bastnasite and Ceylonite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Bastnasite and Ceylonite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Bastnasite and Ceylonite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Bastnasite and Ceylonite Transparency

Similar to their colors, Bastnasite and Ceylonite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Bastnasite is Gemmological Tables (2004) More from other references while Bastnasite is Gemmological Tables (2004) More from other references in appearance.